The Using about the Compen Sator among the Rest outer Proter Tive Pipe of Directly Buried Steam Pipeline Thad Steel Tupe in Steel Tube是什么意思_The Using about the Compen Sator among the Rest outer Proter Tive Pipe of Directly Buried Steam Pipeline Thad Steel Tupe in Steel Tube在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句